Brake Actuator Failure
SeriousBrakesThe hydraulic brake actuator is a common failure point on this generation, leading to a loss of power assistance and a very high repair bill.
Est. Repair Cost: £1,800–£2,500
Reliability GuideCommon Problems with the
Common Problems with the
2006 Lexus GS (Mk3)
The 2006 introduction of the GS 450h was a milestone, bringing high-performance hybrid technology to the executive class, offering V8 pace with V6 fuel economy.
What changed for 2006
- •Launch of the GS 450h, the world's first mass-produced rear-wheel-drive hybrid luxury car.
- •Features a 3.5-litre V6 combined with a powerful electric motor.
Common MOT watch-outs
- !Exhaust system corrosion.
- !Wear on the rear brake calipers, which can seize if not serviced.
2
Known Issues
1
Serious
1
Moderate
0
Minor
All Known Issues
Leaking Rear Shock Absorbers
ModerateSuspension & ChassisThe Adaptive Variable Suspension (AVS) shocks are prone to leaking and are extremely expensive to replace with OEM parts.
Est. Repair Cost: £600–£1,000
Buying Tips for 2006 Lexus GS (Mk3)
- ✓Ensure the hybrid system transitions smoothly between electric and petrol power; any shuddering requires investigation.
- ✓Check the boot space, as the hybrid battery significantly reduces luggage capacity compared to non-hybrid models.